Files
xc-llm-ascend/vllm_ascend/communicator.py
Mengqing Cao 4544e99d88 [dist] revert communicator patch (#66)
### What this PR does / why we need it?
Revert communicator patch as
https://github.com/vllm-project/vllm/pull/13208 has been merged.

### Does this PR introduce _any_ user-facing change?
N/A

### How was this patch tested?
test locally by
https://github.com/vllm-project/vllm-ascend/pull/30#issuecomment-2650251266

Signed-off-by: MengqingCao <cmq0113@163.com>
2025-02-17 11:42:33 +08:00

37 lines
1.4 KiB
Python

#
# Copyright (c) 2025 Huawei Technologies Co., Ltd. All Rights Reserved.
# This file is a part of the vllm-ascend project.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
from typing import Optional
import torch
import torch.distributed as dist
from torch.distributed import ProcessGroup
from vllm.distributed.device_communicators.base_device_communicator import \
DeviceCommunicatorBase
class NPUCommunicator(DeviceCommunicatorBase):
def __init__(self,
cpu_group: ProcessGroup,
device: Optional[torch.device] = None,
device_group: Optional[ProcessGroup] = None,
unique_name: str = ""):
super().__init__(cpu_group, device, device_group, unique_name)
# init device according to local rank
local_rank = dist.get_rank(device_group)
self.device = torch.device(f"npu:{local_rank}")